Search Results - "Umezawa, Katsuyuki"

Proposal and evaluation by simulation of management processing load control method for virtual client system by Umezawa, Katsuyuki, Goto, Hiromi

“…In recent years, virtualization of desktops has become important as a solution for various problems caused from the cost of running a company. Our company…”
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A Proposal of User Authentication Infrastructure for Next-Generation Telematics by Umezawa, Katsuyuki, Susaki, Seiichi, Kashiyama, Masamori, Tezuka, Satoru

“…To receive a telematics service, it must first be authenticated, and each automobile (or car navigation system) has typically to be linked to a particular…”
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Evaluation by Questionnaire on Grouped Flipped Classroom Method by Umezawa, Katsuyuki, Ishida, Takashi, Nakazawa, Makoto, Hirasawa, Shigeichi

“…Flipped classrooms, in which the roles of a classroom lesson and homework are reversed, have recently begun to attract attention. Specifically, the students…”
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Application and Evaluation of a Grouped Flipped Classroom Method by Umezawa, Katsuyuki, Ishida, Takashi, Nakazawa, Makoto, Hirasawa, Shigeichi

“…We proposed a new flipped classroom method in which students are divided into three groups before each class on the basis of their e-learning self-study logs…”
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Analysis of Logic Errors Utilizing a Large Amount of File History During Programming Learning by Umezawa, Katsuyuki, Nakazawa, Makoto, Kobayashi, Manabu, Ishii, Yutaka, Nakano, Michiko, Hirasawa, Shigeichi

“…We proposed an editing record visualization system that can confirm learner modification of programs by storing a learning log. This system was utilized for an…”
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Development and evaluation of a certificate validation system in mobile environments by Umezawa, Katsuyuki, Susaki, Seiichi, Tezuka, Satoru, Hirasawa, Shigeichi

“…We have developed a public key certificate validation system considering the restrictions peculiar to the mobile environment, such as processing the speed and…”
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A Study on the Relationship Between Brain Waves, Heart Rate, and Facial Expressions During Programming Learning by Umezawa, Katsuyuki, Nakazawa, Makoto, Nakano, Michiko, Hirasawa, Shigeichi

“…Recently, there have been several on-demand learning systems that are not restricted by learning time or place. However, in these systems, learning content is…”
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An Effective Flipped Classroom Based on Log Information of Self-Study by Umezawa, Katsuyuki, Aramoto, Michitaka, Kobayashi, Manabu, Ishida, Takashi, Nakazawa, Makoto, Hirasawa, Shigeichi

“…Flipped classrooms have recently begun to attract attention. In a flipped classroom, the roles of a classroom and homework are reversed. Specifically, the…”
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Verification of the effectiveness of classes using intermediate content for transitioning from a visual-to a text-based programming language by Umezawa, Katsuyuki, Nakazawa, Makoto, Hirasawa, Shigeichi

“…In recent years, visual programming languages (VPLs), such as Scratch, have been widely used by programming beginners. Subsequently, learners often transition…”
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Comparison of Biometric Information During Learning of Visual- and Text-Based Programming Languages by Umezawa, Katsuyuki, Nakazawa, Makoto, Hirasawa, Shigeichi

“…Novice programmers often start with visual-based programming languages, such as Blockly or Scratch, whereas experts tend to use text-based programming…”
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Differential Analysis of Heart Rate, Facial Expressions and Brain Wave During Learning of Visual- and Text-Based Languages by Umezawa, Katsuyuki, Koshikawa, Takumi, Nakazawa, Makoto, Hirasawa, Shigeichi

“…From 2020, programming education has become compulsory in elementary schools. Visual-based programming languages are becoming popular as an introduction to…”
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Utilizing Automatic Speech Recognition for English Pronunciation Practice and Analyzing its Impact by Umezawa, Katsuyuki, Nakazawa, Makoto, Nakano, Michiko, Hirasawa, Shigeichi

“…The advancement of AI in recent years has been remarkable, along with the widespread use of speech recognition functions. In addition, an increasing number of…”
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Evaluation of Applying LDA to Redacted Documents in Security and Safety Analysis by Umezawa, Katsuyuki, Wohlgemuth, Sven, Hasegawa, Keisuke, Takaragi, Kazuo

“…Cyber attacks are often executed by imitating existing attacks and combining them. Using existing vulnerability databases, we have presented a way to…”
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Threat analyses using vulnerability databases -Possibility of utilizing past analysis results by Umezawa, Katsuyuki, Mishina, Yusuke, Takaragi, Kazuo

“…We propose a threat analysis method utilizing topic model analysis and vulnerability databases. The method is based on attack tree analysis. We create an…”
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A Method of Threat Analysis for Cyber-Physical System using Vulnerability Databases by Mishina, Yusuke, Takaragi, Kazuo, Umezawa, Katsuyuki

“…Safety and security are major issues for cyber-physical systems. We propose a threat analysis method effective for the design stage of a safety-critical…”
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Threat Analysis Using Topic Models in Large-Scale Vulnerability Databases and Security Incident Case Documents by Koyanagi, Hiroki, Takaragi, Kazuo, Wohlgemuth, Sven, Umezawa, Katsuyuki

“…It is crucial to design products bearing security in mind from the initial development stage. Consequently, many threat analysis support tools have been…”
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Evaluation of Grouped Flipped Classrooms Compared with Three-Year Actual Classes Using a Questionnaire by Umezawa, Katsuyuki, Ishida, Takashi, Nakazawa, Makoto, Hirasawa, Shigeichi

“…The concept of flipped classroom, in which face-to-face lessons are conducted in school after studying at home, is gaining interest. We proposed the "grouped…”
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Competitive Compliance with Blockchain by Wohlgemuth, Sven, Umezawa, Katsuyuki, Mishina, Yusuke, Takaragi, Kazuo

“…Authentication is essential for sharing information in IoT and its secondary use with AI-capable machines. The aim is to support humans in optimizing risk of…”
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Research Results on System Development of the Research Project of a Self-Study System for Language Learning by Umezawa, Katsuyuki, Nakazawa, Makoto, Kobayashi, Manabu, Ishii, Yutaka, Nakano, Michiko, Hirasawa, Shigeichi

“…This study proposes to develop a self-study system equipped with an artificial instructor who detects and advises learners and evaluates their language…”
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An authentication system using smart phones as secure storage by Umezawa, K., Tezuka, S., Hirasawa, S.

“…The smart phone penetration rate has increased recently. There are also many commercial terminals for receiving network services. When a service is received by…”
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